Highlight the JDS paper

DESCRIPTION

@@ -15,10 +15,7 @@ Description: Constructs basis matrix of B-splines, M-splines,
     and their integrals (except C-splines) and derivatives
     of given order by close-form recursive formulas.
     It also contains a C++ head-only library integrated with Rcpp.
-    See De Boor (1978) <doi:10.1002/zamm.19800600129>,
-    Ramsay (1988) <doi:10.1214/ss/1177012761>, and
-    Meyer (2008) <doi:10.1214/08-AOAS167>
-    for more information about the spline basis.
+    See Wang and Yan (2021) <doi:10.6339/21-JDS1020> for details.
 Imports:
     Rcpp,
     stats

R/splines2-package.R

@@ -17,7 +17,7 @@
 
 ##' splines2: Regression Spline Functions and Classes
 ##'
-##' This package provides functions to construct basis matrix of
+##' This package provides functions to construct basis matrices of
 ##' \itemize{
 ##' \item B-splines
 ##' \item M-splines
@@ -26,20 +26,27 @@
 ##' \item periodic M-splines
 ##' \item natural cubic splines
 ##' \item generalized Bernstein polynomials
-##' \item their integrals (except C-splines) and derivatives of given order by
-##' close-form recursive formulas
+##' \item along with their integrals (except C-splines) and derivatives
+##'     of given order by closed-form recursive formulas
 ##' }
 ##'
 ##' In addition to the R interface, it also provides a C++ header-only library
-##' integrated with \pkg{Rcpp}, which allows construction of spline basis matrix
-##' directly in C++ with the help of \pkg{Rcpp} and \pkg{RcppArmadillo}.  So it
-##' can also be treated as one of the \pkg{Rcpp*} packages.  A toy example
-##' package that uses the C++ interface is available at
+##' integrated with \pkg{Rcpp}, which allows the construction of spline basis
+##' functions directly in C++ with the help of \pkg{Rcpp} and
+##' \pkg{RcppArmadillo}.  Thus, it can also be treated as one of the \pkg{Rcpp*}
+##' packages.  A toy example package that uses the C++ interface is available at
 ##' <https://github.com/wenjie2wang/example-pkg-Rcpp-splines2>.
 ##'
-##' It is named after the \pkg{splines} package:
-##' "Regression Spline Functions and Classes". The trailing number two is simply
-##' "too" (and by no means for the generation two).
+##' The package \pkg{splines2} is intended to be a user-friendly supplement to
+##' the base package \pkg{splines}.  The trailing number two in the package name
+##' means "too" (and by no means refers to the generation two).  See Wang and
+##' Yan (2021) for details and illustrations of how the package can be applied
+##' to shape-restricted regression.
+##'
+##' @references
+##'
+##' Wang, W., & Yan, J. (2021). Shape-restricted regression splines with R
+##' package \pkg{splines2}. \emph{Journal of Data Science}, 19(3), 498--517.
 ##'
 ##' @importFrom Rcpp sourceCpp
 ##' @useDynLib splines2

README.Rmd

@@ -34,11 +34,11 @@ functions to construct basis matrices of
 - their integrals (except C-splines) and derivatives of given order by
   closed-form recursive formulas
 
-In addition to the R interface, **splines2** provides a C++ header-only
-library integrated with **Rcpp**, which allows the construction of spline basis
-functions directly in C++ with the help of **Rcpp** and **RcppArmadillo**.  So it
-can also be treated as one of the **Rcpp\*** packages.  A toy example package
-that uses the C++ interface is available [here][example-pkg].
+In addition to the R interface, **splines2** provides a C++ header-only library
+integrated with **Rcpp**, which allows the construction of spline basis
+functions directly in C++ with the help of **Rcpp** and **RcppArmadillo**.
+Thus, it can also be treated as one of the **Rcpp\*** packages.  A toy example
+package that uses the C++ interface is available [here][example-pkg].
 
 
 ## Installation of CRAN Version

README.md

@@ -15,7 +15,7 @@ The R package **splines2** is intended to be a user-friendly
 
 ## Features
 
-The package **splines2** (version 0.4.3) provides functions to construct
+The package **splines2** (version 0.4.4) provides functions to construct
 basis matrices of
 
 -   B-splines
@@ -31,7 +31,7 @@ basis matrices of
 In addition to the R interface, **splines2** provides a C++ header-only
 library integrated with **Rcpp**, which allows the construction of
 spline basis functions directly in C++ with the help of **Rcpp** and
-**RcppArmadillo**. So it can also be treated as one of the **Rcpp\***
+**RcppArmadillo**. Thus, it can also be treated as one of the **Rcpp\***
 packages. A toy example package that uses the C++ interface is available
 [here](https://github.com/wenjie2wang/example-pkg-Rcpp-splines2).
 
@@ -254,14 +254,14 @@ sessionInfo()
     [1] splines   stats     graphics  grDevices utils     datasets  methods   base     
 
     other attached packages:
-    [1] splines2_0.4.3       microbenchmark_1.4-7
+    [1] splines2_0.4.4       microbenchmark_1.4-7
 
     loaded via a namespace (and not attached):
      [1] Rcpp_1.0.7        mvtnorm_1.1-2     lattice_0.20-44   codetools_0.2-18  ibs_1.4          
      [6] zoo_1.8-9         digest_0.6.27     MASS_7.3-54       grid_4.1.0        magrittr_2.0.1   
     [11] evaluate_0.14     rlang_0.4.11      stringi_1.7.3     multcomp_1.4-17   Matrix_1.3-4     
-    [16] sandwich_3.0-1    rmarkdown_2.9     TH.data_1.0-10    tools_4.1.0       stringr_1.4.0    
-    [21] survival_3.2-11   xfun_0.24         yaml_2.2.1        compiler_4.1.0    pbs_1.1          
+    [16] sandwich_3.0-1    rmarkdown_2.10    TH.data_1.0-10    tools_4.1.0       stringr_1.4.0    
+    [21] survival_3.2-11   xfun_0.25         yaml_2.2.1        compiler_4.1.0    pbs_1.1          
     [26] htmltools_0.5.1.1 knitr_1.33       
 
 </details>